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From: Gerd Knorr <kraxel@suse.de>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: [patch] pae: tlbflush linear page table updates
Date: Wed, 10 Aug 2005 15:01:56 +0200	[thread overview]
Message-ID: <20050810130156.GC3174@bytesex> (raw)
In-Reply-To: <20050810123349.GA3174@bytesex>

  Hi,

> Sure?  The patch below fixes it for me.

Uhm, well, it doesn't really fix it.

> The tlbflush stuff is red herring btw, the real difference is
> optimization.  Build with "optimize=n" boot fine, others don't.

While looking into this I've noticed the bug comes and goes away
with the optimization level.  Building with -O1 works fine,
building with -O2 breaks (both with the patch mailed applied).

There might be something wrong with the inline assembler ...

  Gerd

-- 
panic("it works"); /* avoid being flooded with debug messages */

  reply	other threads:[~2005-08-10 13:01 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-08 14:51 [patch] pae: tlbflush linear page table updates Gerd Knorr
2005-08-08 16:52 ` Keir Fraser
2005-08-09  7:54   ` Gerd Knorr
2005-08-09  8:06     ` Keir Fraser
2005-08-09 10:53       ` Keir Fraser
2005-08-09 13:52         ` Gerd Knorr
2005-08-09 15:44           ` Gerd Knorr
2005-08-09 16:14             ` Keir Fraser
2005-08-10 10:22               ` Gerd Knorr
2005-08-10 10:28                 ` Gerd Knorr
2005-08-10 10:54                   ` Keir Fraser
2005-08-10 12:33                     ` Gerd Knorr
2005-08-10 13:01                       ` Gerd Knorr [this message]
2005-08-10 13:11                         ` Keir Fraser
2005-08-10 13:57                           ` Gerd Knorr
2005-08-10 10:53                 ` Keir Fraser
  -- strict thread matches above, loose matches on Subject: below --
2005-08-12  9:02 Tian, Kevin
2005-08-12  9:17 ` Keir Fraser
2005-08-12  9:20   ` Andi Kleen
2005-08-12  9:49     ` Keir Fraser
2005-08-12  9:17 Tian, Kevin
2005-08-12  9:37 Tian, Kevin
2005-08-12  9:56 ` Andi Kleen
2005-08-12 10:18   ` Keir Fraser

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